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发明名称
Target for an electrostatic writing tube
摘要
申请公布号
US2963606(A)
申请公布日期
1960.12.06
申请号
US19590811757
申请日期
1959.05.07
申请人
A. B. DICK COMPANY
发明人
CREWS ROBERT W.;JR. PHILIP J. RICE,
分类号
H01J31/06
主分类号
H01J31/06
代理机构
代理人
主权项
地址
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